Humminbird Helix 7 CHIRP MSI GPS G3N Fish Finder Review: A Game Changer for Anglers

Georgia Offshore is supported by readers. If you buy a product through our links, we may earn a commission without any extra cost to you.

Introducing the Humminbird Helix 7 CHIRP MSI GPS G3N Fish Finder – a game-changing device that takes your fishing experience to new depths! In this comprehensive review, we’ll dive into the features and capabilities of this innovative fish finder, showcasing why it’s making waves among anglers and boating enthusiasts alike.

Read on to discover the Helix 7’s cutting-edge CHIRP technology, its high-resolution MEGA Side Imaging, and the precision GPS navigation that sets it apart from the competition. With an easy-to-use interface and outstanding performance, this fish finder is sure to become your go-to tool on the water.

Humminbird Helix 7 CHIRP MSI GPS G3N Key Features and Benefits

Humminbird Helix 7 CHIRP MSI GPS G3N Fish Finder

MEGA Side Imaging and MEGA Down Imaging

Imagine being able to see the underwater world with unprecedented clarity and detail. That’s exactly what MEGA Side Imaging and MEGA Down Imaging bring to the table.

These state-of-the-art technologies allow you to view underwater structures, fish, and vegetation up to 125 feet to the side and 125 feet below your boat, giving you a significant advantage when searching for prime fishing spots.

With 3X more output than standard sonar frequencies, you’ll be able to identify fish and underwater features with incredible precision, making your fishing trips more productive and enjoyable.

Know more: Humminbird ICE Helix 7 Chirp GPS G4

Dual Spectrum CHIRP Sonar

No more guessing games when it comes to identifying fish and underwater structures. Dual Spectrum CHIRP Sonar is designed to provide you with two distinct search modes: Wide Mode for maximum coverage and Narrow Mode for focusing on the smallest details.

This advanced sonar technology helps you detect fish, differentiate between baitfish and gamefish, and identify bottom contours and structure with remarkable accuracy.

By using the optimal sonar frequency range of 150-220kHz, the Dual Spectrum CHIRP Sonar ensures that you have the best possible view of what’s happening beneath the surface.

Built-in GPS and Humminbird Basemap

Navigating the waters has never been easier, thanks to the built-in GPS and Humminbird Basemap included with the Helix 7 CHIRP MSI GPS G3N. With access to charts of over 10,000 lakes and coastal coverage for the continental U.S., you’ll have all the information you need to fish and navigate with total confidence.

The basemap provides a clear view of underwater terrain, surrounding points of interest, and even marked fishing spots. With this wealth of information at your fingertips, you can plan your trips and make informed decisions on the water, ensuring that you make the most of your time on the water.

>> Fish Finders Under $500

AutoChart Live

AutoChart Live is a game-changing feature that allows you to create detailed, customized maps of your favorite fishing spots in real-time. By mapping out underwater structures, contours, and vegetation as you fish, you’ll be able to pinpoint prime fishing locations and return to them with ease.

With the ability to save your maps for future use, you can build a personalized library of fishing spots that cater to your preferences and expertise. AutoChart Live is a must-have feature for any angler looking to maximize their chances of landing that trophy catch.

>> Fish Finders Under $300

One-Boat Network

The Helix 7’s One-Boat Network compatibility takes your fishing experience to new heights by enabling seamless integration with other compatible Humminbird, Minn Kota, and Cannon products.

This interconnected network of devices allows you to share waypoints, control your trolling motor, or even operate a Cannon downrigger – all from the Helix 7’s user-friendly interface. By streamlining the communication between your devices, the One-Boat Network ensures that you have complete control over your fishing setup, allowing you to focus on what matters most – catching fish.

>> Best Fish Finder Under $1000

Comparison to Similar Products

When compared to other fish finders in its class, the Helix 7 CHIRP MSI GPS G3N stands out for its advanced imaging capabilities, user-friendly interface, and seamless integration with other fishing technologies.

Its MEGA Side Imaging and MEGA Down Imaging provide unparalleled detail, while the One-Boat Network allows for easy communication with other devices. Additionally, the built-in GPS and basemap offer comprehensive navigation options.


  • Exceptional imaging with MEGA Side Imaging and MEGA Down Imaging.
  • Dual Spectrum CHIRP Sonar for precise fish and structure identification.
  • Comprehensive navigation features with built-in GPS and Humminbird Basemap.
  • AutoChart Live for real-time mapping of fishing spots.
  • One-Boat Network compatibility for seamless integration with other devices.


  • MEGA imaging may have a shorter range compared to standard frequencies.


Does the Helix 7 come with a transducer?

Yes, the Helix 7 includes a transducer and mounting hardware.

Can I add additional maps and charts to the Helix 7?

Yes, you can use optional charts from Humminbird’s LakeMaster and CoastMaster products, as well as compatible Navionics charts.

Is the Helix 7 waterproof?

Yes, the Helix 7 is designed to withstand exposure to water and harsh weather conditions.

Can I connect the Helix 7 to my trolling motor?

Yes, the Helix 7 can be connected to compatible Minn Kota trolling motors through the One-Boat Network.

What is the maximum depth range for the Dual Spectrum CHIRP Sonar?

The Dual Spectrum CHIRP Sonar has a CHIRP range of 150-220kHz, providing excellent depth range and coverage.

Final thoughts

In summary, the Humminbird Helix 7 CHIRP MSI GPS G3N Fish Finder is a game changer for anglers seeking a high-quality, feature-packed device to enhance their fishing experience. With its exceptional imaging capabilities, advanced sonar technology, and user-friendly interface, the Helix 7 offers a comprehensive solution for both navigation and locating fish. The seamless integration with other devices through the One-Boat Network further adds to its appeal.

Based on our personal experience and the impressive features and benefits of the Helix 7, we highly recommend this fish finder for anglers who want to take their fishing game to the next level. With the Humminbird Helix 7 CHIRP MSI GPS G3N Fish Finder, you’ll be well-equipped to tackle any fishing challenge that comes your way.

See also: Best Fish Finder for the Money